diff --git a/scripts/validate_unwanted_patterns.py b/scripts/validate_unwanted_patterns.py
index f78b9b8ced863..5bc2a915a1c0e 100755
--- a/scripts/validate_unwanted_patterns.py
+++ b/scripts/validate_unwanted_patterns.py
@@ -52,6 +52,7 @@
     "_testing",
     "_test_decorators",
     "__version__",  # check np.__version__ in compat.numpy.function
+    "_arrow_dtype_mapping",
 }